Home / 178,578.62-267,908.83-77,393.66

Finding the Fourth Proportional to 178,578.62, 267,908.83 and 77,393.66

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Solution

The fourth proportional to 178,578.62, 267,908.83 and 77,393.66 is: 116,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,578.62 : 267,908.83 = 77,393.66 : x
  2. Step 2: Convert to fraction form
    178,578.62/267,908.83 = 77,393.66/x
  3. Step 3: Cross multiply
    178,578.62x = 267,908.83 × 77,393.66
  4. Step 4: Simplify right side
    178,578.62x = 20,734,444,900.02
  5. Step 5: Solve for x
    x = 20,734,444,900.02/178,578.62
  6. Step 6: Final answer
    x = 116,108.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.